8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #ifndef SHARE_VM_LEAKPROFILER_EMITEVENTOPERATION_HPP
26 #define SHARE_VM_LEAKPROFILER_EMITEVENTOPERATION_HPP
27
28 #include "runtime/vm_operations.hpp"
29
30 class BFSClosure;
31 class EdgeStore;
32 class EdgeQueue;
33 class JfrThreadData;
34 class ObjectSample;
35 class ObjectSampler;
36
37 // Safepoint operation for emitting object sample events
38 class EmitEventOperation : public VM_Operation {
39 private:
40 jlong _cutoff_ticks;
41 bool _emit_all;
42 VMThread* _vm_thread;
43 JfrThreadLocal* _vm_thread_local;
44 ObjectSampler* _object_sampler;
45
46 void write_event(const ObjectSample* sample, EdgeStore* edge_store);
47 int write_events(EdgeStore* edge_store);
48
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8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #ifndef SHARE_VM_LEAKPROFILER_EMITEVENTOPERATION_HPP
26 #define SHARE_VM_LEAKPROFILER_EMITEVENTOPERATION_HPP
27
28 #include "runtime/vmOperations.hpp"
29
30 class BFSClosure;
31 class EdgeStore;
32 class EdgeQueue;
33 class JfrThreadData;
34 class ObjectSample;
35 class ObjectSampler;
36
37 // Safepoint operation for emitting object sample events
38 class EmitEventOperation : public VM_Operation {
39 private:
40 jlong _cutoff_ticks;
41 bool _emit_all;
42 VMThread* _vm_thread;
43 JfrThreadLocal* _vm_thread_local;
44 ObjectSampler* _object_sampler;
45
46 void write_event(const ObjectSample* sample, EdgeStore* edge_store);
47 int write_events(EdgeStore* edge_store);
48
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